Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of share-based compensation expense

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Stockholders' Equity (Details) - Schedule of share-based compensation expense - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2016
Apr. 30, 2015
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]        
Stock Based Compensation Expense $ 149 $ 113 $ 370 $ 319
Options [Member]        
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]        
Stock Based Compensation Expense 143 104 351 283
Restricted Stocks [Member]        
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]        
Stock Based Compensation Expense $ 6 $ 9 $ 19 $ 36